Earlier this month, China’s economic tsar, Liu He, took the stage at the World Economic Forum in Davos like a salesman delivering a carefully practiced pitch. With thinning gray hair and reading glasses, the 71-year-old Harvard graduate methodically laid out for the audience how to better understand the Chinese economy. “Entrepreneurship is a key factor for wealth creation of a society,” Liu said. “Therefore, entrepreneurs, both Chinese and foreign, will play an important role as the